webengine/osswebengine/cache/src/HttpCacheObserver.cpp
changeset 0 dd21522fd290
child 10 a359256acfc6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/cache/src/HttpCacheObserver.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Implementation of CHttpCacheObserver
+*
+*/
+
+// INCLUDE FILES
+#include "HttpCacheObserver.h"
+#include "HttpCacheHandler.h"
+
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::CHttpCacheObserver
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CHttpCacheObserver::CHttpCacheObserver(CHttpCacheHandler* aHttpCacheHandler) : CActive( CActive::EPriorityIdle ),
+iHttpCacheHandler(aHttpCacheHandler)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CHttpCacheObserver::ConstructL(const HBufC* aDirectory, const HBufC* aIndexFile)
+    {
+    User::LeaveIfError(iFsSession.Connect());
+    iFileName = HBufC::NewL(aDirectory->Length() + aIndexFile->Length());
+    iFileName->Des().Copy(*aDirectory);
+    iFileName->Des().Append(*aIndexFile);
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CHttpCacheObserver* CHttpCacheObserver::NewL( const HBufC* aDirectory, const HBufC* aIndexFile,
+                                                         CHttpCacheHandler* aHttpCacheHandler)
+    {
+    CHttpCacheObserver* self = new( ELeave ) CHttpCacheObserver(aHttpCacheHandler);
+    CleanupStack::PushL( self );
+    self->ConstructL(aDirectory, aIndexFile);
+    CleanupStack::Pop();
+    return self;
+    }
+
+// Destructor
+CHttpCacheObserver::~CHttpCacheObserver()
+    {
+    Cancel();
+    delete iFileName;
+    iFsSession.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::RunL
+//
+// -----------------------------------------------------------------------------
+//
+void CHttpCacheObserver::RunL()
+    {
+    iHttpCacheHandler->UpdateLookupTable();
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::RunError
+//
+// -----------------------------------------------------------------------------
+//
+TInt CHttpCacheObserver::RunError(TInt /*aError*/)
+    {
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::DoCancel
+//
+// -----------------------------------------------------------------------------
+//
+void CHttpCacheObserver::DoCancel()
+    {
+    iFsSession.NotifyChangeCancel(iStatus);
+    }
+
+// -----------------------------------------------------------------------------
+// CHttpCacheObserver::StartObserver
+//
+// -----------------------------------------------------------------------------
+//
+void CHttpCacheObserver::StartObserver()
+    {
+    if (!IsActive())
+        {
+        iFsSession.NotifyChange(ENotifyWrite, iStatus, *iFileName);
+        SetActive();
+        }
+    }
+
+
+//  End of File